Dane, what are you running for a P pump? I'm specing out a pump now
Are You doing any work to the 8.3? I am currently working on a White 160 tube frame tractor with a t400 8.9 ISL block and looking to bore it to 637cid and run The roller lifters with a 12v 8.3 head and a 13mm A-pump at 2500rpm